|Values are valid only on day of printing.|
Container/Tube: Plastic, 10-mL urine tube (Supply T068)
Specimen Volume: 5 mL
1. Collect a random urine specimen.
2. Adjust urine pH to 1 to 5 with 50% acetic or HCl acid.
1. Patient's age is required.
2. Administration of L-dopa may falsely increase homovanillic acid and vanillylmandelic acid results; it should be discontinued 24 hours prior to and during collection of specimen.
Forms: If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
Neurology Test Request Form (T732) (www.mayomedicallaboratories.com/media/customer-service/forms/neurology-request-form.pdf)
Oncology Test Request Form (T729) (www.mayomedicallaboratories.com/media/customer-service/forms/oncology-request-form.pdf)
|Urine||Refrigerated (preferred)||7 days|